<!DOCTYPE html>
<html>

	<head>
		<meta http-equiv="Content-Type" content="text/html">
		<meta charset="utf-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
		<title></title>
	</head>

	<body erke-hide>
	</body>
	<script>
		/**
		 * @param {string[]} A
		 * @return {number}
		 */
		var minDeletionSize = function(A) {
		    var res=[];
		    for(var i=0;i<A.length;i++){
	    		A[i]=A[i].split('');
	    	};
		    for(var i=0;i<A[0].length;i++){
		    	var str='';
		    	for(var j=0;j<A.length;j++){
		    		str+=A[j][i];
		    	};
		    	var end=str.split('').sort().join('');
		    	if(end!=str){
		    		res.push(i);
		    	};
		    };
		    console.log(res);
		    return res;
		};
		res = new minDeletionSize(["zyx","wvu","tsr"]);
	</script>

</html>